Mohit and Shivam together can complete a piece of work in 4 days, Shivam and Mukesh together can complete it in 5 days and Mohit and Mukesh together can complete it in 6 days. In how many days can Mohit, Shivam and Mukesh together finish the work?

A

$$2\frac{19}{37}$$

B

$$3\frac{9}{37}$$

C

$$3\frac{19}{37}$$

D

$$2\frac{9}{37}$$